| /* |
| Copyright (c) 2011 mingw-w64 project |
| |
| Permission is hereby granted, free of charge, to any person obtaining a |
| copy of this software and associated documentation files (the "Software"), |
| to deal in the Software without restriction, including without limitation |
| the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| and/or sell copies of the Software, and to permit persons to whom the |
| Software is furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included in |
| all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #ifndef WIN_PTHREADS_COND_H |
| #define WIN_PTHREADS_COND_H |
| |
| #include <windows.h> |
| |
| #define CHECK_COND(c) { \ |
| if (!(c) || !*c || (*c == PTHREAD_COND_INITIALIZER) \ |
| || ( ((cond_t *)(*c))->valid != (unsigned int)LIFE_COND ) ) \ |
| return EINVAL; } |
| |
| #define LIFE_COND 0xC0BAB1FD |
| #define DEAD_COND 0xC0DEADBF |
| |
| #define STATIC_COND_INITIALIZER(x) ((pthread_cond_t)(x) == ((pthread_cond_t)PTHREAD_COND_INITIALIZER)) |
| |
| typedef struct cond_t cond_t; |
| struct cond_t |
| { |
| unsigned int valid; |
| int busy; |
| LONG waiters_count_; /* Number of waiting threads. */ |
| LONG waiters_count_unblock_; /* Number of waiting threads whitch can be unblocked. */ |
| LONG waiters_count_gone_; /* Number of waiters which are gone. */ |
| CRITICAL_SECTION waiters_count_lock_; /* Serialize access to <waiters_count_>. */ |
| CRITICAL_SECTION waiters_q_lock_; /* Serialize access to sema_q. */ |
| LONG value_q; |
| CRITICAL_SECTION waiters_b_lock_; /* Serialize access to sema_b. */ |
| LONG value_b; |
| HANDLE sema_q; /* Semaphore used to queue up threads waiting for the condition to |
| become signaled. */ |
| HANDLE sema_b; /* Semaphore used to queue up threads waiting for the condition which |
| became signaled. */ |
| }; |
| |
| void cond_print_set(int state, FILE *f); |
| |
| void cond_print(volatile pthread_cond_t *c, char *txt); |
| |
| #endif |